Suitcase



FIG. 1 is a front perspective view of a suitcase showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is rear elevational view thereof;

FIG. 4 is a right side elevational view thereof, the carrying strap removed for ease of illustration;

FIG. 5 is a left side elevational view thereof, the carrying strap removed for ease of illustration; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a suitcase, as shown and described. 